{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical", "Disease"], "input": "Isoniazid significantly increased bradycardia after propranolol , pindolol , labetalol and atenolol , as well as after clonidine , but not after hexamethonium or carbachol ."}
{"Chemical": ["Isoniazid", "propranolol", "pindolol", "labetalol", "atenolol", "clonidine", "hexamethonium", "carbachol"], "Disease": ["bradycardia"]}